2201223212444 has 12 divisors (see below), whose sum is σ = 3852202143384. Its totient is φ = 1100594028624.

The previous prime is 2201223212407. The next prime is 2201223212459. The reversal of 2201223212444 is 4442123221022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4110599 + ... + 4615134.

It is an arithmetic number, because the mean of its divisors is an integer number (321016845282).

Almost surely, 2^{2201223212444} is an apocalyptic number.

It is an amenable number.

2201223212444 is a deficient number, since it is larger than the sum of its proper divisors (1650978930940).

2201223212444 is a wasteful number, since it uses less digits than its factorization.

2201223212444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788804 (or 8788802 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2201223212444 its reverse (4442123221022), we get a palindrome (6643346433466).

The spelling of 2201223212444 in words is "two trillion, two hundred one billion, two hundred twenty-three million, two hundred twelve thousand, four hundred forty-four".